He is not sincere. He lies as much as Trump. Listen to quite a lot of his speeches, lies + truths, very persuasive to nerds.
Not sure doesn’t mean doesn’t have a goal.
I am not sure that I could become a billionaire but have a goal to be one. Until I am dead, the possibility is there. I will go for it. No no, I am not into the money. I just want to show others that ordinary folks like Forrest Gump and me can dream and achieve the impossible.